[FE] Allow declare sealed class inheritors in different files in one module

#KT-13495

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java

@@ -24526,6 +24526,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
             KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/sealed"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS_IR_ES6, true);
         }
 
+        @TestMetadata("multipleFiles_enabled.kt")
+        public void testMultipleFiles_enabled() throws Exception {
+            runTest("compiler/testData/codegen/box/sealed/multipleFiles_enabled.kt");
+        }
+
         @TestMetadata("objects.kt")
         public void testObjects() throws Exception {
             runTest("compiler/testData/codegen/box/sealed/objects.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java

@@ -24526,6 +24526,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/sealed"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS_IR, true);
         }
 
+        @TestMetadata("multipleFiles_enabled.kt")
+        public void testMultipleFiles_enabled() throws Exception {
+            runTest("compiler/testData/codegen/box/sealed/multipleFiles_enabled.kt");
+        }
+
         @TestMetadata("objects.kt")
         public void testObjects() throws Exception {
             runTest("compiler/testData/codegen/box/sealed/objects.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java

@@ -24526,6 +24526,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/sealed"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS, true);
         }
 
+        @TestMetadata("multipleFiles_enabled.kt")
+        public void testMultipleFiles_enabled() throws Exception {
+            runTest("compiler/testData/codegen/box/sealed/multipleFiles_enabled.kt");
+        }
+
         @TestMetadata("objects.kt")
         public void testObjects() throws Exception {
             runTest("compiler/testData/codegen/box/sealed/objects.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java

@@ -12997,6 +12997,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/sealed"), Pattern.compile("^([^_](.+))\\.kt$"), null, TargetBackend.WASM, true);
         }
 
+        @TestMetadata("multipleFiles_enabled.kt")
+        public void testMultipleFiles_enabled() throws Exception {
+            runTest("compiler/testData/codegen/box/sealed/multipleFiles_enabled.kt");
+        }
+
         @TestMetadata("objects.kt")
         public void testObjects() throws Exception {
             runTest("compiler/testData/codegen/box/sealed/objects.kt");